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小儿哮喘-流行病学

来源:[标签:来源] | 发布时间:2011-05-05 14:59:04 | www.chinesejk.com

  小儿哮喘-流行病学

  哮喘发病率的地区差异性很大,发达国家高于发展中国家城市高于农村。世界各地哮喘的发病率在0.1%~32%之间,差异接近300倍,其原因可能与遗传基因、年龄、地理位置、气候、环境、种族、工业化、城市化、室内装修、生活水平、饮食习惯等有关。我国2000年流调结果显示,0~14岁儿童哮喘患病率为1.97%,较1990年(1%)约增加1倍。哮喘起病年龄多数在3岁内,占70%。哮喘儿童男女比例为1.738∶1,有显著统计学差异。49.54%哮喘患儿有婴幼儿湿疹史,有荨麻疹及过敏性鼻炎病史者分别为18.84%和43.18%。一级亲属中有哮喘史占17.28%,其他过敏史占30.73%。

(编辑:小鱼 )

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